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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-2473) Elasticsearch REST Indexer broken due to wrong depenency
Date Wed, 13 Dec 2017 21:02:00 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-2473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289904#comment-16289904
] 

ASF GitHub Bot commented on NUTCH-2473:
---------------------------------------

mfeltscher commented on issue #253: fix for NUTCH-2473 Remove broken slf4j dependecy from
indexer-elastic-rest
URL: https://github.com/apache/nutch/pull/253#issuecomment-351520915
 
 
   @lewismc IMO it does - also compare to e66d44d9c290c550e78edb425a43e010b861172c

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> Elasticsearch REST Indexer broken due to wrong depenency
> --------------------------------------------------------
>
>                 Key: NUTCH-2473
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2473
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.14
>            Reporter: Moreno Feltscher
>            Assignee: Sebastian Nagel
>
> When trying to index into Elasticsearch using {{indexer-elastic-rest}} the following
error is being thrown:
> {code}
> Exception in thread "main" java.lang.LinkageError: loader constraint violation: when
resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;"
the class loader (instance of org/apache/nutch/plugin/PluginClassLoader) of the current class,
org/slf4j/LoggerFactory, and the class loader (instance of sun/misc/Launcher$AppClassLoader)
for the method's defining class, org/slf4j/impl/StaticLoggerBinder, have different Class objects
for the type org/slf4j/ILoggerFactory used in the signature
>     at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:418)
>     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)
>     at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)
>     at org.apache.nutch.indexwriter.elasticrest.ElasticRestIndexWriter.<clinit>(ElasticRestIndexWriter.java:71)
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>     at java.lang.Class.newInstance(Class.java:442)
>     at org.apache.nutch.plugin.Extension.getExtensionInstance(Extension.java:161)
>     at org.apache.nutch.indexer.IndexWriters.<init>(IndexWriters.java:57)
>     at org.apache.nutch.indexer.IndexingJob.index(IndexingJob.java:123)
>     at org.apache.nutch.indexer.IndexingJob.run(IndexingJob.java:230)
>     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>     at org.apache.nutch.indexer.IndexingJob.main(IndexingJob.java:239)
> {code}
> [e66d44d|https://github.com/apache/nutch/commit/e66d44d9c290c550e78edb425a43e010b861172c#diff-aefa48b9ce916d2e33dc27b153c44977]
removed the runtime dependency on {{slf4j-api-1.7.21.jar}} everywhere but in {{indexer-elastic-rest}}.
> Possible fix: https://github.com/apache/nutch/pull/253



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